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科学时代收录了1160609条科普词条,基本涵盖了常见科普常识及英语词汇的翻译,是科学学习和研究的有利工具。

Stephen Bathory Stephen Drotter Stephen Gardiner Stephen Grover Cleveland Stephen Harding
Stephen Joseph Theatre Stephen Joshua Stephen reduction Stephens-Castro coupling reaction Stephenson,George
Stephens,Joseph Rayner Stepinac,Aloysius step index step index step-index fibre
step input stepladder stepladder step ladder method step length
step length stepless step loan step mechanism step method
step mixing stepmother step-mother step motor step motor
stepney stepout stepparent steppe steppe
steppe steppe steppe steppe steppe
steppe stepped aeration stepped aging stepped attenuator stepped bond
stepped cost stepped cost stepped labyrinth gland stepped lens stepped-pool fish pass
stepped pulse stepped pyramid stepped quarry stepped shaft stepped winding
steppe fire stepper motor steppe vegetation stepping angle stepping-higher training
stepping motor stepping motor stepping motor stepping switch stepping switch
stepping tube step pitch step planting step planting step potentiometer
step progression step pulley step pulse step rate step-rate formula
step-rate mortgage step-rate pension formula step-rate pension formula step-rate plan step regulator
step response step-response analysis step rule step sequence step size
step size step size in search steps towards acquisition of supernatural powers step strain step teeth
step through step time step tube step-type step-type impact
step-up lease step-up substation step-up transformer step-up transformer step-up transformer
step-variable cost step-variable cost step velocity step wedge step wedge
step width step width stepwise chain-end degradation stepwise deformation stepwise device
stepwise linear classification stepwise loading stepwise regeneration stepwise regression stepwise regression
stepwise regression stepwise regression stepwise regression analysis stepwise transition sterad
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